That is actually pretty interesting. However, that info is also in the linked PDF, on page 2: "Pershing Square currently has a short position in Herbalife Ltd

That is actually pretty interesting. However, that info is also in the linked PDF, on page 2: "Pershing Square currently has a short position in Herbalife Ltd. ('Herbalife') common stock. We do not own any options on Herbalife common stock. Pershing Square will profit if the trading price of Herbalife common stock declines and will lose money if the trading price of common stock of Herbalife increases."